The main problem produced by the circulation cooling watersystem is scaling, equipment eroding and bacterium clay loam.
循环冷却水系统产生的问题主要有结垢，设备腐蚀和细菌粘泥等。
2
The whole city drainage system program is as follows: rain water wells road, clay and drain well across the street and drainage inspection wells and underground drainage main lines.
市政整体排水系统程序如下：路面雨水→雨水井→沉泥井→过街排水管→排水检查井→地下排水主干线。
3
The strength forming process of humid-plastic cement-soils is expatiated based on the characterization of the cement hydration process in cement-water-claysystem.